Home / 166,509.51-229,778.43-91,056.39

Finding the Fourth Proportional to 166,509.51, 229,778.43 and 91,056.39

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Solution

The fourth proportional to 166,509.51, 229,778.43 and 91,056.39 is: 125,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,509.51 : 229,778.43 = 91,056.39 : x
  2. Step 2: Convert to fraction form
    166,509.51/229,778.43 = 91,056.39/x
  3. Step 3: Cross multiply
    166,509.51x = 229,778.43 × 91,056.39
  4. Step 4: Simplify right side
    166,509.51x = 20,922,794,335.67
  5. Step 5: Solve for x
    x = 20,922,794,335.67/166,509.51
  6. Step 6: Final answer
    x = 125,655.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.